# Authenticator for Instagram vs Shield 2FA Authenticator

The clearest difference is update cadence: Shield 2FA Authenticator at every 6 days against Authenticator for Instagram's every 2 months. Authenticator for Instagram's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator for Instagram sells 6 in-app purchases, starting at $4.99 per 7 days and Shield 2FA Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator for Instagram ships an update every 2 months, Shield 2FA Authenticator every 6 days. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Authenticator for Instagram | Shield 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 70 MB | 12 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Herman Mitchenle](https://appshunter.io/developer/1828900304) | [冯泰 蔡](https://appshunter.io/developer/1896641064) |

## What reviewers say

### Authenticator for Instagram

[App page](https://appshunter.io/ios/app/authenticator-for-instagram/id6749144854)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Shield 2FA Authenticator

[App page](https://appshunter.io/ios/app/shield-2fa-authenticator/id6773809514)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Security - Weekly | $4.99 | per 7 days |
| Pro Security - Monthly | $12.99 | per month |
| Pro Security - Yearly | $39.99 | per year |


## Frequently asked questions

### Is Authenticator for Instagram free?

Authenticator for Instagram is free to download, with in-app purchases available.

### Is Shield 2FA Authenticator free?

Shield 2FA Authenticator is free to download, with in-app purchases available.

### Do Authenticator for Instagram or Shield 2FA Authenticator have ads?

Neither Authenticator for Instagram nor Shield 2FA Authenticator shows ads.

### Which is updated more often, Authenticator for Instagram or Shield 2FA Authenticator?

Authenticator for Instagram ships an update every 2 months, and Shield 2FA Authenticator every 6 days. Most recently, Authenticator for Instagram was updated on October 28, 2026 and Shield 2FA Authenticator on October 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*